first European success as a professional was recorded in his home country when he came third in the sprint of the 5th stage of the Giro di Sardegna behind winner Alessandro Petacchi and second placed Daniele Bennati. In the Giro del Friuli he even beat Petacchi, but still came in third as this time Mirco Lorenzetto and Grega Bole took the first two spots. Later on in the Giro di Toscana he finished in second position behind Petacchi. Another two top-three results were recorded when Belletti finished third in the 1st stage of the Tour of Austria behind André Greipel and Graeme Brown and second in the Grand Prix de Fourmies behind Romain Feillu. Colnago–CSF Inox (2010–2011) Belletti had shown his talent and his skills, resulting in interest from other teams. He then signed a new contract with for the 2010 season. His first notable result for his new team was a second spot in the first part of the second stage in the Circuit de la Sarthe. In preparation of his first ever Grand tour, the 2010 Giro d'Italia he rode in the Tour of Turkey and claimed a third spot in the 6th stage, finishing in Finike. During the Giro d'Italia which started in Amsterdam, Netherlands Belletti claimed the fourth spot in the sixth stage finishing in Marina di Carrara. Thirteen turned out to be Belletti's lucky number as he managed to join a breakaway group on the road to Cesenatico in the 13th stage of the race. The group kept an advantage on the peloton of more than seven minutes and Belletti turned out to be the fastest sprinter of the breakaway group, claiming his first victory in a grand tour and his first victory for his new team; Two days later he abandoned the race. A couple of months later he finished fourth and third in two stages of the Brixia Tour, fifth and third in two stages of the Danmark Rundt and a fourth position in the Dutch Veenendaal–Veenendaal Classic. In August he claimed his second and last victory of that season by beating Danilo Hondo and Mark Cavendish in the sprint of the Coppa Bernocchi. Later that season he finished second in the first stage of the Tour of Britain, second in the Memorial Viviana Manservisi and third in the Memorial Marco Pantani. 2011 started very well for Belletti who claimed his first victory